Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
34
O3
0.3
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
46
Excellent
Wed
17 Sep
44
Excellent
Thu
18 Sep
47
Excellent
Fri
19 Sep
40
Excellent
Sat
20 Sep
39
Excellent
Sun
21 Sep
21
Excellent
Mon
22 Sep
26
Excellent
Air quality in the last 12 months (Hezhang)
|
2025/08
|
33
|
33
|
36
|
41
|
36
|
26
|
22
|
27
|
28
|
24
|
14
|
26
|
26
|
31
|
27
|
25
|
22
|
25
|
25
|
24
|
23
|
15
|
16
|
18
|
19
|
17
|
18
|
22
|
21
|
17
|
20
|
|
2025/07
|
21
|
14
|
18
|
16
|
19
|
23
|
25
|
27
|
19
|
17
|
19
|
21
|
34
|
32
|
29
|
31
|
35
|
31
|
24
|
19
|
14
|
12
|
11
|
13
|
18
|
20
|
22
|
33
|
36
|
32
|
30
|
|
2025/06
|
18
|
14
|
25
|
29
|
37
|
51
|
46
|
32
|
38
|
31
|
35
|
42
|
45
|
40
|
26
|
30
|
32
|
21
|
15
|
24
|
23
|
22
|
31
|
27
|
16
|
14
|
22
|
25
|
25
|
19
|
|
|
2025/05
|
49
|
46
|
52
|
46
|
37
|
25
|
34
|
25
|
38
|
29
|
33
|
41
|
52
|
35
|
52
|
46
|
40
|
41
|
37
|
40
|
41
|
41
|
51
|
48
|
35
|
32
|
21
|
15
|
26
|
25
|
22
|
|
2025/04
|
31
|
38
|
56
|
61
|
44
|
36
|
30
|
54
|
58
|
71
|
66
|
168
|
121
|
83
|
72
|
64
|
41
|
41
|
34
|
37
|
36
|
28
|
66
|
29
|
35
|
44
|
21
|
30
|
34
|
24
|
|
|
2025/03
|
67
|
78
|
55
|
57
|
31
|
20
|
31
|
32
|
37
|
45
|
56
|
45
|
76
|
45
|
22
|
23
|
15
|
20
|
31
|
46
|
53
|
59
|
49
|
51
|
48
|
46
|
48
|
134
|
30
|
28
|
26
|
|
2025/02
|
27
|
21
|
19
|
49
|
38
|
20
|
22
|
35
|
48
|
35
|
46
|
42
|
30
|
35
|
47
|
53
|
46
|
36
|
42
|
30
|
31
|
24
|
27
|
30
|
28
|
42
|
54
|
63
|
|||
|
2025/01
|
84
|
72
|
84
|
67
|
61
|
80
|
27
|
22
|
34
|
33
|
26
|
54
|
59
|
52
|
58
|
63
|
96
|
40
|
61
|
87
|
92
|
73
|
69
|
46
|
23
|
41
|
60
|
67
|
79
|
76
|
35
|
|
2024/12
|
93
|
95
|
65
|
59
|
38
|
37
|
39
|
31
|
24
|
19
|
28
|
22
|
16
|
22
|
28
|
55
|
50
|
52
|
42
|
42
|
31
|
34
|
39
|
30
|
25
|
27
|
35
|
45
|
53
|
31
|
46
|
|
2024/11
|
18
|
28
|
56
|
28
|
30
|
51
|
62
|
59
|
39
|
57
|
58
|
43
|
32
|
40
|
58
|
50
|
32
|
33
|
29
|
24
|
25
|
37
|
36
|
31
|
20
|
22
|
22
|
32
|
48
|
66
|
|
|
2024/10
|
12
|
22
|
27
|
40
|
43
|
20
|
24
|
32
|
30
|
33
|
41
|
24
|
19
|
25
|
29
|
37
|
27
|
37
|
34
|
34
|
26
|
14
|
31
|
47
|
45
|
43
|
25
|
42
|
54
|
54
|
47
|
|
2024/09
|
26
|
23
|
17
|
24
|
28
|
34
|
26
|
17
|
18
|
25
|
26
|
24
|
27
|
32
|
38
|
41
|
24
|
25
|
32
|
35
|
20
|
21
|
32
|
40
|
52
|
52
|
40
|
39
|
37
|
12
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution